With new marine protected areas and an emerging U.N. treaty, global ocean conservation efforts are on the verge of a major advance.

Surprising new statistics show that the world economy is expanding while global carbon emissions remain at the same level.

The fate of a tree planted at poet Emily Dickinson's home raises questions about whether gardeners can — or should — play a role in helping plant species migrate ...

In the face of rising temperatures and worsening drought, the world’s repositories of agricultural seeds may hold the key to growing food under increasingly harsh conditions.

The ʻohiʻa is Hawaii’s iconic tree, a keystone species that maintains healthy watersheds and provides habitat for numerous endangered birds.